Some vases need a little something in them to make them interesting. Not so with these O vases. They alone draw your eye to them; cluster them or just one placed in a special place will make an impact. I love the combination of ...Some vases need a little something in them to make them interesting. Not so with these O vases. They alone draw your eye to them; cluster them or just one placed in a special place will make an impact. I love the combination of several sizes and colors.